public static void writeTo() throws IOException{
		File file = new File("d:\\out.txt");
		if (!file.exists()){
			File parent = file.getParentFile();
			if (parent != null && !parent.exists()) {
				parent.mkdirs();
			}
			file.createNewFile();
		}
		OutputStream out = new FileOutputStream(file);
		byte[] question=Topic.toString().getBytes();
		byte[] answer=Answer.toString().getBytes();
		out.write(question);
		out.write(System.lineSeparator().getBytes());
		out.write(answer);
		out.close();
	}